import Vue from 'vue'
import VueI18n from 'vue-i18n'
import Cookies from 'js-cookie'
import elementEnLocale from 'element-ui/lib/locale/lang/en' // element-ui lang
import elementZhLocale from 'element-ui/lib/locale/lang/zh-CN'// element-ui lang
import enLocale from './en'
import zhLocale from './zh'

Vue.use(VueI18n)
  const messages={
    en:{
        ...enLocale,
        ...elementEnLocale
    },
    zh:{
        ...zhLocale,
        ...elementZhLocale
    }
  }
  export function getLanguage(){
     const chooseLanguage = Cookies.get('language')
     if (chooseLanguage) return chooseLanguage
     // 如果没有选择语言
        const language = (navigator.language || navigator.browserLanguage).toLowerCase()  //用户更喜欢的语言
        const locales = Object.keys(messages)
        for (const locale of locales) {
            if (language.indexOf(locale) > -1) {
               return locale
            }
        }
        return 'zh'
  }
  const i18n = new VueI18n({
    locale: getLanguage(),
    messages
  })
  export default i18n